WebSVN – Kolibri OS – Blame – /contrib/sdk/sources/ffmpeg/libavfilter/x86/vf_spp.c

Rev	Author	Line No.	Line
4349	Serge	1	/*
		2	* Copyright (c) 2003 Michael Niedermayer
		3	*
		4	* This file is part of FFmpeg.
		5	*
		6	* FFmpeg is free software; you can redistribute it and/or modify
		7	* it under the terms of the GNU General Public License as published by
		8	* the Free Software Foundation; either version 2 of the License, or
		9	* (at your option) any later version.
		10	*
		11	* FFmpeg is distributed in the hope that it will be useful,
		12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	* GNU General Public License for more details.
		15	*
		16	* You should have received a copy of the GNU General Public License along
		17	* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
		18	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
		19	*/
		20
		21
		22	#include "libavutil/attributes.h"
		23	#include "libavutil/cpu.h"
		24	#include "libavutil/mem.h"
		25	#include "libavutil/x86/asm.h"
		26	#include "libavfilter/vf_spp.h"
		27
		28	#if HAVE_MMX_INLINE
		29	static void hardthresh_mmx(int16_t dst[64], const int16_t src[64],
		30	int qp, const uint8_t *permutation)
		31	{
		32	int bias = 0; //FIXME
		33	unsigned int threshold1;
		34
		35	threshold1 = qp * ((1<<4) - bias) - 1;
		36
		37	#define REQUANT_CORE(dst0, dst1, dst2, dst3, src0, src1, src2, src3) \
		38	"movq " #src0 ", %%mm0 \n" \
		39	"movq " #src1 ", %%mm1 \n" \
		40	"movq " #src2 ", %%mm2 \n" \
		41	"movq " #src3 ", %%mm3 \n" \
		42	"psubw %%mm4, %%mm0 \n" \
		43	"psubw %%mm4, %%mm1 \n" \
		44	"psubw %%mm4, %%mm2 \n" \
		45	"psubw %%mm4, %%mm3 \n" \
		46	"paddusw %%mm5, %%mm0 \n" \
		47	"paddusw %%mm5, %%mm1 \n" \
		48	"paddusw %%mm5, %%mm2 \n" \
		49	"paddusw %%mm5, %%mm3 \n" \
		50	"paddw %%mm6, %%mm0 \n" \
		51	"paddw %%mm6, %%mm1 \n" \
		52	"paddw %%mm6, %%mm2 \n" \
		53	"paddw %%mm6, %%mm3 \n" \
		54	"psubusw %%mm6, %%mm0 \n" \
		55	"psubusw %%mm6, %%mm1 \n" \
		56	"psubusw %%mm6, %%mm2 \n" \
		57	"psubusw %%mm6, %%mm3 \n" \
		58	"psraw $3, %%mm0 \n" \
		59	"psraw $3, %%mm1 \n" \
		60	"psraw $3, %%mm2 \n" \
		61	"psraw $3, %%mm3 \n" \
		62	\
		63	"movq %%mm0, %%mm7 \n" \
		64	"punpcklwd %%mm2, %%mm0 \n" /A/ \
		65	"punpckhwd %%mm2, %%mm7 \n" /C/ \
		66	"movq %%mm1, %%mm2 \n" \
		67	"punpcklwd %%mm3, %%mm1 \n" /B/ \
		68	"punpckhwd %%mm3, %%mm2 \n" /D/ \
		69	"movq %%mm0, %%mm3 \n" \
		70	"punpcklwd %%mm1, %%mm0 \n" /A/ \
		71	"punpckhwd %%mm7, %%mm3 \n" /C/ \
		72	"punpcklwd %%mm2, %%mm7 \n" /B/ \
		73	"punpckhwd %%mm2, %%mm1 \n" /D/ \
		74	\
		75	"movq %%mm0, " #dst0 " \n" \
		76	"movq %%mm7, " #dst1 " \n" \
		77	"movq %%mm3, " #dst2 " \n" \
		78	"movq %%mm1, " #dst3 " \n"
		79
		80	__asm__ volatile(
		81	"movd %2, %%mm4 \n"
		82	"movd %3, %%mm5 \n"
		83	"movd %4, %%mm6 \n"
		84	"packssdw %%mm4, %%mm4 \n"
		85	"packssdw %%mm5, %%mm5 \n"
		86	"packssdw %%mm6, %%mm6 \n"
		87	"packssdw %%mm4, %%mm4 \n"
		88	"packssdw %%mm5, %%mm5 \n"
		89	"packssdw %%mm6, %%mm6 \n"
		90	REQUANT_CORE( (%1), 8(%1), 16(%1), 24(%1), (%0), 8(%0), 64(%0), 72(%0))
		91	REQUANT_CORE(32(%1), 40(%1), 48(%1), 56(%1),16(%0),24(%0), 48(%0), 56(%0))
		92	REQUANT_CORE(64(%1), 72(%1), 80(%1), 88(%1),32(%0),40(%0), 96(%0),104(%0))
		93	REQUANT_CORE(96(%1),104(%1),112(%1),120(%1),80(%0),88(%0),112(%0),120(%0))
		94	: : "r" (src), "r" (dst), "g" (threshold1+1), "g" (threshold1+5), "g" (threshold1-4) //FIXME maybe more accurate then needed?
		95	);
		96	dst[0] = (src[0] + 4) >> 3;
		97	}
		98
		99	static void softthresh_mmx(int16_t dst[64], const int16_t src[64],
		100	int qp, const uint8_t *permutation)
		101	{
		102	int bias = 0; //FIXME
		103	unsigned int threshold1;
		104
		105	threshold1 = qp*((1<<4) - bias) - 1;
		106
		107	#undef REQUANT_CORE
		108	#define REQUANT_CORE(dst0, dst1, dst2, dst3, src0, src1, src2, src3) \
		109	"movq " #src0 ", %%mm0 \n" \
		110	"movq " #src1 ", %%mm1 \n" \
		111	"pxor %%mm6, %%mm6 \n" \
		112	"pxor %%mm7, %%mm7 \n" \
		113	"pcmpgtw %%mm0, %%mm6 \n" \
		114	"pcmpgtw %%mm1, %%mm7 \n" \
		115	"pxor %%mm6, %%mm0 \n" \
		116	"pxor %%mm7, %%mm1 \n" \
		117	"psubusw %%mm4, %%mm0 \n" \
		118	"psubusw %%mm4, %%mm1 \n" \
		119	"pxor %%mm6, %%mm0 \n" \
		120	"pxor %%mm7, %%mm1 \n" \
		121	"movq " #src2 ", %%mm2 \n" \
		122	"movq " #src3 ", %%mm3 \n" \
		123	"pxor %%mm6, %%mm6 \n" \
		124	"pxor %%mm7, %%mm7 \n" \
		125	"pcmpgtw %%mm2, %%mm6 \n" \
		126	"pcmpgtw %%mm3, %%mm7 \n" \
		127	"pxor %%mm6, %%mm2 \n" \
		128	"pxor %%mm7, %%mm3 \n" \
		129	"psubusw %%mm4, %%mm2 \n" \
		130	"psubusw %%mm4, %%mm3 \n" \
		131	"pxor %%mm6, %%mm2 \n" \
		132	"pxor %%mm7, %%mm3 \n" \
		133	\
		134	"paddsw %%mm5, %%mm0 \n" \
		135	"paddsw %%mm5, %%mm1 \n" \
		136	"paddsw %%mm5, %%mm2 \n" \
		137	"paddsw %%mm5, %%mm3 \n" \
		138	"psraw $3, %%mm0 \n" \
		139	"psraw $3, %%mm1 \n" \
		140	"psraw $3, %%mm2 \n" \
		141	"psraw $3, %%mm3 \n" \
		142	\
		143	"movq %%mm0, %%mm7 \n" \
		144	"punpcklwd %%mm2, %%mm0 \n" /A/ \
		145	"punpckhwd %%mm2, %%mm7 \n" /C/ \
		146	"movq %%mm1, %%mm2 \n" \
		147	"punpcklwd %%mm3, %%mm1 \n" /B/ \
		148	"punpckhwd %%mm3, %%mm2 \n" /D/ \
		149	"movq %%mm0, %%mm3 \n" \
		150	"punpcklwd %%mm1, %%mm0 \n" /A/ \
		151	"punpckhwd %%mm7, %%mm3 \n" /C/ \
		152	"punpcklwd %%mm2, %%mm7 \n" /B/ \
		153	"punpckhwd %%mm2, %%mm1 \n" /D/ \
		154	\
		155	"movq %%mm0, " #dst0 " \n" \
		156	"movq %%mm7, " #dst1 " \n" \
		157	"movq %%mm3, " #dst2 " \n" \
		158	"movq %%mm1, " #dst3 " \n"
		159
		160	__asm__ volatile(
		161	"movd %2, %%mm4 \n"
		162	"movd %3, %%mm5 \n"
		163	"packssdw %%mm4, %%mm4 \n"
		164	"packssdw %%mm5, %%mm5 \n"
		165	"packssdw %%mm4, %%mm4 \n"
		166	"packssdw %%mm5, %%mm5 \n"
		167	REQUANT_CORE( (%1), 8(%1), 16(%1), 24(%1), (%0), 8(%0), 64(%0), 72(%0))
		168	REQUANT_CORE(32(%1), 40(%1), 48(%1), 56(%1),16(%0),24(%0), 48(%0), 56(%0))
		169	REQUANT_CORE(64(%1), 72(%1), 80(%1), 88(%1),32(%0),40(%0), 96(%0),104(%0))
		170	REQUANT_CORE(96(%1),104(%1),112(%1),120(%1),80(%0),88(%0),112(%0),120(%0))
		171	: : "r" (src), "r" (dst), "g" (threshold1), "rm" (4) //FIXME maybe more accurate then needed?
		172	);
		173
		174	dst[0] = (src[0] + 4) >> 3;
		175	}
		176
		177	static void store_slice_mmx(uint8_t dst, const int16_t src,
		178	int dst_stride, int src_stride,
		179	int width, int height, int log2_scale,
		180	const uint8_t dither[8][8])
		181	{
		182	int y;
		183
		184	for (y = 0; y < height; y++) {
		185	uint8_t *dst1 = dst;
		186	const int16_t *src1 = src;
		187	__asm__ volatile(
		188	"movq (%3), %%mm3 \n"
		189	"movq (%3), %%mm4 \n"
		190	"movd %4, %%mm2 \n"
		191	"pxor %%mm0, %%mm0 \n"
		192	"punpcklbw %%mm0, %%mm3 \n"
		193	"punpckhbw %%mm0, %%mm4 \n"
		194	"psraw %%mm2, %%mm3 \n"
		195	"psraw %%mm2, %%mm4 \n"
		196	"movd %5, %%mm2 \n"
		197	"1: \n"
		198	"movq (%0), %%mm0 \n"
		199	"movq 8(%0), %%mm1 \n"
		200	"paddw %%mm3, %%mm0 \n"
		201	"paddw %%mm4, %%mm1 \n"
		202	"psraw %%mm2, %%mm0 \n"
		203	"psraw %%mm2, %%mm1 \n"
		204	"packuswb %%mm1, %%mm0 \n"
		205	"movq %%mm0, (%1) \n"
		206	"add $16, %0 \n"
		207	"add $8, %1 \n"
		208	"cmp %2, %1 \n"
		209	" jb 1b \n"
		210	: "+r" (src1), "+r"(dst1)
		211	: "r"(dst + width), "r"(dither[y]), "g"(log2_scale), "g"(MAX_LEVEL - log2_scale)
		212	);
		213	src += src_stride;
		214	dst += dst_stride;
		215	}
		216	}
		217
		218	#endif /* HAVE_MMX_INLINE */
		219
		220	av_cold void ff_spp_init_x86(SPPContext *s)
		221	{
		222	#if HAVE_MMX_INLINE
		223	int cpu_flags = av_get_cpu_flags();
		224
		225	if (cpu_flags & AV_CPU_FLAG_MMX) {
		226	s->store_slice = store_slice_mmx;
		227	switch (s->mode) {
		228	case 0: s->requantize = hardthresh_mmx; break;
		229	case 1: s->requantize = softthresh_mmx; break;
		230	}
		231	}
		232	#endif
		233	}

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(root)/contrib/sdk/sources/ffmpeg/libavfilter/x86/vf_spp.c – Rev 5068